Abstract
AbstractIn this article, a wideband antenna is implemented by using a multilayer self‐packaged suspended coplanar waveguide (SCPW). The lower air cavity of the SCPW is not only used for antenna suspending but also as an antenna reflector, while the reflector structure can be expanded by copper coating on the periphery of the multidielectric substrates, which improves the antenna radiation and antenna gain effectively, while the antenna profile is not increased. An extra patch is introduced for generating more resonances, which extends the antenna bandwidth importantly. The proposed antenna is designed to work at 5.42 GHz with a fractional bandwidth of 26.2% (4.71–6.13 GHz), and a maximum gain of 8.4 dBi. The SCPW antenna has been fabricated and measured, and the design has been demonstrated with the advantages of self‐packaging, wideband, favorable gain, and even low profile as well as miniature circuit size.
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